| 发明名称 |
TURBINENBOHRER |
| 摘要 |
A turbodrill comprising turbine sections, a spindle and a pipe assembly. According to the invention, the pipe assembly is formed by two coaxially arranged pipes provided between the spindle and the adjacent turbine section and coupled to components of the turbodrill. |
| 申请公布号 |
DE3135519(A1) |
申请公布日期 |
1983.04.07 |
| 申请号 |
DE19813135519 |
申请日期 |
1981.09.08 |
| 申请人 |
VSESOJUZNYJ NAUCNO ISSLEDOVATEL'SKIJ INSTITUT BUROVOJ TECHNIKI |
发明人 |
R. IOANESJAN,JURIJ;V. POPKO,VALERIJ |
| 分类号 |
E21B4/02;E21B7/04;E21B47/022;F03B13/02;(IPC1-7):E21B4/02;E21B47/02 |
主分类号 |
E21B4/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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